import java.util.*;

public class LotteryOdds {

    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        System.out.print("请输入分数：");
        int score = in.nextInt();

        switch (score/10)
        {
            case 10:
                System.out.println("满分！");
                break;
            case 9:
                System.out.println("成绩优秀");
                break;
            case 8:
                System.out.println("成绩良好");
                break;
            case 7:
                System.out.println("成绩中等");
                break;
            case 6:
                System.out.println("成绩及格");
                break;
            default:
                System.out.println("成绩不及格");
                break;
        }

    }
}
